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53
English
Appendices
Troubleshooting
If you experience problems with your projector, see the following
troubleshooting tips. If the problem persists, contact your local reseller or
service center.
Problem Possible Solution
No image appears on the
screen
y Ensure that the projector is turned on.
y Ensure that you have chosen the correct input source on the
OSD Main > Input Source menu.
y Ensure the external graphics port is enabled. If images are
not displayed properly, please upgrade the video driver of
your computer.
y Ensure that all the cables are securely connected.
y Ensure that the pins of the connectors are not bent or broken.
Partial, scrolling or
incorrectly displayed image
y If you experience difficulty in changing resolutions, or if your
monitor freezes, restart all the equipment and the projector.
y If images are not displayed properly, please upgrade the
video driver of your computer.
The screen does not display
your presentation
y If you are using a portable computer, press the toggle output
settings. Example: [Fn]+[F4].
Image is unstable or
ickering
y Adjust the phase in the OSD Main > Image > Phase menu (in
PC Mode only).
Image has vertical ickering
bar
y Adjust the frequency in the OSD Main > Image > Frequency
menu (in PC Mode only).
Image is out of focus
1. Adjust the focus ring on the projector lens.
2. Ensure that the projection screen is within the required dis-
tance from the projector (2.82 ft [86 cm] to 5.64 ft [172 cm]).
The image is stretched
when displaying a 16:9 DVD
y The projector automatically detects the input signal format.
It will maintain the aspect ratio of the projected image
according to input signal format with an Original setting.
y If the image is still stretched, adjust the format in the Main >
Image > Format menu in the OSD.
LED warning indicator
(LED) is solid amber
y A projector LED has failed and the projector will automatically
shut down. If the problem persists, contact Optoma.
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